US3787547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a reformed plastic article
Assignee: Dart Container Corp
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Filing: 1972-03-07
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Granted: 1974-01-22
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Expires: 1992-03-07
Abstract
Abstract A composite container with a lightweight and relatively thin plastic body portion having an open neck portion around which is fixed a separate and rigid annular ring member which threads or other fastening means for cooperative attachment of a closure member thereto; the container body portion being initially a plastic preform with an outward flange rim at the open end and the annular ring member being assembled with the preform to a position around the neck portion and in engagement with the flange rim; and with the preform then reformed with the body wall expanded beneath the adjacent end of the ring member to trap the same engagement with the flange rim.
Inventors
- 👤 L Marco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:44
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/12; B29C49/00; B29C49/071; B29C49/20; B65; B65D; B65D1/00; B65D1/40; B65D1/42; B65D1/46; B65D41/00; B65D41/02; B65D41/04; B65D41/08; B29C2049/2017; B29C2049/2021; B29C2049/2026; B29C2049/2043; B29C2949/00; B29C2949/07; B29C2949/072; B29C2949/0722; B29C2949/073; B29C2949/0731; B29C2949/0733; B29C2949/076; B29C2949/0761; B29C2949/0762; B29C2949/0768; B29C2949/077; B29C2949/0772; B29C2949/0773; B29C2949/0775; B29C2949/078; B29C2949/079; B29C2949/08; B29C2949/0801; B29C2949/081; B29C2949/0811; B29C2949/0816; B29C2949/20; B29C2949/22; B29C2949/24; B29C2949/26; B29C2949/28; B29C2949/30; B29C2949/3008; B29C2949/3024; B29C2949/3026; Y; Y10; Y10S; Y10S264/00; Y10S264/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |